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Ribonuclease binase apoptotic signature in leukemic Kasumi-1 cells
Authors
Burnysheva K.
Ilinskaya O.
+7 more
Kretova O.
Makarov A.
Mitkevich V.
Petrushanko I.
Simonenko O.
Sosin D.
Tchurikov N.
Publication date
1 January 2013
Publisher
Abstract
Cytotoxic exogenous RNases triggering apoptotic response in malignant cells have potential as anticancer drugs; surprisingly, detailed characterization of the RNase-induced apoptosis has not been conducted so far. Here we show that a cytotoxic RNase from Bacillus intermedius (binase) induces extrinsic and intrinsic apoptotic pathways in leukemic Kasumi-1 cells. The experiments were performed using TaqMan Array Human Apoptosis 96-well Plate for gene expression analysis, and flow cytometry. Cytometric studies demonstrated dissipation of the mitochondrial membrane potential, opening of mitochondrial permeability transition pores, activation of caspases, increase of intracellular Ca 2+ and decrease of reactive oxygen species levels. We found that expression of 62 apoptotic genes is up-regulated, including 16 genes that are highly up-regulated, and only one gene was found to be down-regulated. The highest, 16 fold increase of the expression level was observed for TNF gene. Highly up-regulated genes also include the non-canonical NF-κB signaling pathway and inflammatory caspases 1,4. The obtained results suggest that binase induces evolutionary acquired cellular response to a microbial agent and triggers unusual apoptosis pathway. © 2013 Elsevier Masson SAS. All rights reserved
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Kazan Federal University Digital Repository
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oai:dspace.kpfu.ru:net/101610
Last time updated on 07/05/2019
Kazan Federal University Digital Repository
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.kpfu.ru:net/136873
Last time updated on 07/05/2019